Given an X ray image, the solid model of corresponding joint can be got through image processing, coordinate transform and primitive construction.

该方法利用一张X光片，通过进行图像处理、坐标变换和实体造型即可生成实体模型。

youdao

He came up with the 80m figure by multiplying the number of dots, or pixels, in a high-resolution image (about 1m-2m) by the number of surfaces that an imaginary ray of light corresponding to each pixel would encounter as it bounced around a complex scene (say, 50-100).

ECONOMIST: Smooth operator | The